🛡️ CVE-2025-54566 on BellSoft — qemu

Distribution advisory

This page covers CVE-2025-54566 as tracked by BellSoft, for the package qemu. The fix is available in version 10.1.2-r0; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached from an adjacent network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability low.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

• Attack vector: Adjacent network — the attacker has to sit on the same local or logical network.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: None.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

BELL-CVE-2025-54566 is classified as CWE-642: External Control of Critical State Data. The product stores security-critical state information about its users, or the product itself, in a location that is accessible to unauthorized actors.

Affected software

BELL-CVE-2025-54566 is recorded against 1 package.

• qemu (from 10.0.0-r0 up to 10.1.2-r0)

Timeline and source

Published on 25 July 2025 and last revised on 15 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

docs.bell-sw.com (Advisory)

Other advisories for this package

qemu has other advisories on record. If you are patching this one, these are worth checking on the same host:

• OESA-2026-3276 (8.0 High, published 7 Aug 2026)
• OESA-2026-3275 (8.0 High, published 7 Aug 2026)
• OESA-2026-3274 (8.0 High, published 7 Aug 2026)
• OESA-2026-3273 (8.0 High, published 7 Aug 2026)
• ECHO-3b36-2d36-acbd (published 27 Jul 2026)
• UBUNTU-CVE-2026-16043 (published 27 Jul 2026)
• UBUNTU-CVE-2026-8348 (published 27 Jul 2026)
• ECHO-1d3c-f496-aefb (published 27 Jul 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-642: External Control of Critical State Data) in other software:

• CVE-2025-26787 (4.7 Medium, published 22 Dec 2025)
• CVE-2025-49090 (7.1 High, published 2 Oct 2025)
• GHSA-97f8-h76h-f297 (2.0 Low, published 28 Jul 2025)
• CVE-2025-54566 (4.2 Medium, published 25 Jul 2025)
• CVE-2024-8754 (8.0 High, published 14 Sep 2024)
• CVE-2024-22387 (6.8 Medium, published 11 Jul 2024)
• CVE-2022-32859 (5.3 Medium, published 1 Nov 2022)
• CVE-2022-22154 (6.8 Medium, published 19 Jan 2022)

CVE-2025-54566 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Affected Packages

References